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Re: [cobalt-users] Network Interfaces on a RaQ3i



Matt Brown wrote:

Hi all,

I was wondering, is it possible to utilize both network cards in the RaQ3i
for redundancy purposes.

i.e. so if 1 card is connected to one switch and the other to another switch,
if either of them failed the RaQ3i is still visible from the outside world ?

Regards

Matt Brown

Sure, there are many ways of doing this. One simple way to do this is to write a script that monitors Network 1's connectivity. If connectivity is broken, disable Network 1 (eth0) and enable Network 2 (eth1) using the IP settings previously used by Network 1. This will take a bit of programming skill and linux networking knowledge but it can be fun to learn and you'll get some satisfaction from seeing it run.

Elaborate solutions include trunking the interfaces together using a custom kernel and switch configuration. This way both interfaces are used and you gain latency and bandwidth improvements at the cost of software complexity and switch administration overhead.


   -- Will



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